The invention generally relates to removable outsole cushion attachments and shoe covers that are cushioned and disposable. The removable outsole cushion attachments and shoe covers can be used by healthcare professionals and others to achieve comfort and eliminate or at least reduce the fatigue associated with standing for long periods of time.

An article of footwear having an interlocking assembly that includes a first component and a second component. The first component has a plurality of ribs and the second component has a plurality of receptacles. The plurality of ribs of the first component are configured to be received within the plurality of receptacles of the second component to removably attach the first component and the second component.

The present disclosure relates to an article of footwear with a sole structure having at least one adjustability pod configured to adjust at least one of a length and a width of the sole structure.

A shoe having one or more detachable and/or interchangeable outsoles is provided herein. The shoe may include a sole, a rear outsole (e.g., a stiletto, a wedge, etc.), and a forward outsole (e.g., a platform, etc.). The sole may be generally configured to support a wearer's foot, with the rear outsole being detachably coupled to a rear portion of the sole and the forward outsole being detachably coupled to a forward portion of the sole. By having two detachable outsoles (e.g., a detachable rear outsole and a detachable forward outsole), the shape, style, and design of the shoe can be varied/changed.

An interchangeable heel for a shoe wherein the interchangeable heel includes a removable heel sleeve and a heel post which is mounted on the shoe wherein the heel sleeve is releasably mounted on the heel post by an opposed lock mechanism which includes a catch mechanism on one side of the interchangeable heel and a biasing mechanism on an opposite side of the interchangeable heel wherein the biasing mechanism includes a biasing member which is provided on the heel post wherein the biasing member is arranged to engage the removable heel sleeve; a shoe having the interchangeable heel; and a removable heel sleeve for use in the interchangeable heel according to the invention.

Sole structures, foot support systems, articles of footwear, and/or other foot-receiving devices include: (a) a first footwear component having a ground-facing surface, wherein a forefoot portion of the ground-facing surface includes arched medial and lateral surfaces and (b) a second footwear component having an upper-facing surface, wherein a forefoot portion of the upper-facing surface includes arched medial and lateral surfaces that face (and optionally contact) the respective arched medial and lateral surfaces of the first footwear component. The first and second footwear components are movably engaged together such that: (a) the arched medial surface of the first footwear component moves with respect to and along the arched medial surface of the second footwear component and (b) the arched lateral surface of the first footwear component moves with respect to and along the arched lateral surface of the second footwear component.

An improved sole structure for article of footwear is disclosed herein. The sole structure includes a midsole and an outsole coupled to the midsole. The midsole includes a channel extending from the toe end to the heel end of the midsole. The sole structure further includes a housing with a plurality of segments disposed within the channel. A cable is threaded through the plurality of segments of the housing with a first end of the cable being disposed proximate to the toe end of the midsole, and the second end of the cable extends out of the rear end of the midsole. A tensioning mechanism is operatively coupled to the second end of the cable to alter the amount of tension in the cable, and, ultimately, alter the amount of flexibility of the sole structure.

A shoe includes an outsole, a shank and a heel area defined in the underside thereof The shank is connected between the outsole and the heel area. The heel area is a recessed area. A replaceable heel has a connection portion on the top thereof so as to be detachably connected to the heel area. A heel lift is defined in the underside of the replaceable heel and includes multiple anti-slip members extending therefrom. The replaceable heel is easily detached from the shoe and a new one is attached to the heel area of the shoe.

A ski boot with removable and interchangeable soles. In one embodiment, the ski boot has a hull with a shaped plate, a sole adapted to be removed from the hull with the sole having a front portion and a back portion that are separated from each other and constrained to the hull via fixing screws. The removable and interchangeable soles allows the ski boot to be configured for specific skiing disciplines and is compatible with ski bindings provided with a plurality of pins integral with the ski that are fitted into corresponding shaped recesses of the hull. The shaped recesses are positioned on the sides of the plate, which is fixedly constrained to the ski boot.

An immobility system for a free-fall environment includes an immobility device including at least one suction cup configured to engage the immobility device to a surface, and a valve that, when activated, results in release of the at least one suction cup from engagement with the surface. A remote controller is spaced apart from the valve and is configured to selectably transmit an activation signal to the valve. An immobility device includes at least one suction cup configured to engage the immobility device to a surface, and a valve that, when activated, results in release of the at least one suction cup from engagement with the surface. A receiver at the device is configured to receive an activation signal and activate the valve.